"digital slides"

Rugged, reliable meters designed for educational outdoor experiments.

All-in-one handheld tester for monitoring pH, nutrients, and water quality in hydroponic and agricultural systems.

Designed for direct measurement.

Sleek, versatile pH and ORP meter designed for laboratory, classroom, or field use.

Reads pH, ORP (oxygen reduction potential), mV, conductivity, TDS (total dissolved solids), salinity and temperature.

This multiparameter meter is a waterproof portable logging multiparameter meter. The microprocessor based multi-sensor probe allows for the measurement of key parameters including pH, ORP, conductivity, dissolved oxygen, turbidity, and temperature. The complete system is simple to setup and easy to use.